STBA

EX-99.1

2 stba-ex991earningspressrel.htm

EX-99.1

Document

INVESTOR CONTACT:

Mark Kochvar

S&T Bancorp, Inc.

Chief Financial Officer

724.465.4826

mark.kochvar@stbank.com

FOR IMMEDIATE RELEASE

S&T Bancorp, Inc. Announces Third Quarter 2026 Results

Record Third Quarter 2026 Earnings Per Share

INDIANA, Pa., - October 22, 2026 – S&T Bancorp, Inc. (S&T) (NASDAQ: STBA), the holding company for S&T Bank, announced net income of $38.6 million for the third quarter of 2026 compared to $36.6 million for the second quarter of 2026 and $35.0 million for the third quarter of 2025. Diluted earnings per share was a record high of $1.09 for the third quarter of 2026, an increase of $0.07, or 6.9%, compared to $1.02 for the second quarter of 2026 and an increase of $0.18, or 19.8%, compared to $0.91 for the third quarter of 2025. Diluted earnings per share growth was due to both higher net income and share repurchases of 8.3% of outstanding shares since September 30, 2025.

Third Quarter of 2026 Highlights:

•Strong return metrics with return on average assets (ROA) of 1.55%, return on average equity (ROE) of 10.84% and return on average tangible shareholders' equity (ROTE) (non-GAAP) of 14.81% compared to ROA of 1.49%, ROE of 10.37% and ROTE (non-GAAP) of 14.15% for the second quarter of 2026.

•Pre-provision net revenue to average assets (PPNR) (non-GAAP) increased 12 basis points to 2.01% compared to 1.89% for the second quarter of 2026.

•Net interest margin on a fully taxable equivalent basis (NIM) (FTE) (non-GAAP) expanded 7 basis points to 4.06% compared to 3.99% in the second quarter of 2026.

•Net charge-offs were $2.1 million, or 0.10% of average loans, compared to net charge-offs of $1.0 million, or 0.05% of average loans, in the second quarter of 2026.

•Nonperforming assets (NPAs) decreased $3.7 million to $36.5 million, or 0.45% of total loans plus other real estate owned (OREO), compared to $40.2 million, or 0.50%, at June 30, 2026.

“Our results reflect another strong quarter, highlighted by record earnings per share, record revenue and higher core profitability,” said Chris McComish, chief executive officer. “We delivered broad-based strength across our income statement which reflects our disciplined operating strategy and continued focus on creating shareholder value. We believe we are well-positioned to build on this momentum and capitalize on future opportunities.”

Net Interest Income

Net interest income was $93.1 million in the third quarter of 2026 compared to $90.4 million in the second quarter of 2026. NIM (FTE) (non-GAAP) increased 7 basis points to 4.06% compared to 3.99% in the prior quarter. The increase in

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S&T Earnings Release - 2

net interest income was primarily due to higher yields on interest-earning assets and one additional day in the third quarter compared to the second quarter. The yield on average interest-earning assets increased 9 basis points to 5.73% compared to 5.64% in the second quarter of 2026 primarily related to a higher yield on both average securities and average loans. The yield on total average loans increased 6 basis points to 5.95% compared to 5.89% in the prior quarter. Average total loan balances increased $61.2 million to $8.1 billion compared to $8.0 billion in the second quarter of 2026. Total interest-bearing liability costs increased 3 basis points to 2.53% compared to 2.50% in the second quarter of 2026 mainly due to a higher cost of deposits and borrowings. Average interest-bearing deposits increased $31.8 million to $5.9 billion compared to $5.8 billion in the prior quarter.

Asset Quality

The allowance for credit losses, or ACL, was unchanged at $93.3 million, or 1.16% of total portfolio loans, at both September 30, 2026 and June 30, 2026. The provision for credit losses was $1.4 million for the third quarter of 2026 compared to $1.1 million in the second quarter of 2026. Net loan charge-offs were $2.1 million, or 0.10% of average loans, compared to $1.0 million, or 0.05% of average loans, in the second quarter of 2026. NPAs decreased $3.7 million to $36.5 million, or 0.45% of total loans plus OREO, compared to $40.2 million, or 0.50%, at June 30, 2026.

Noninterest Income and Expense

Noninterest income was relatively unchanged at $14.7 million in the third quarter of 2026 compared to $14.9 million in the second quarter of 2026. Expenses were well controlled during the third quarter with an efficiency ratio (FTE) (non-GAAP) of 53.23% compared to 55.52% in the second quarter of 2026. Noninterest expense decreased $1.1 million to $57.6 million in the third quarter of 2026 compared to $58.7 million in the second quarter of 2026. Other noninterest expense decreased $0.9 million primarily due to normal fluctuations across several expense categories and timing-related items.

Financial Condition

Total assets were $9.9 billion at both September 30, 2026 and June 30, 2026. Total portfolio loans decreased $4.4 million compared to June 30, 2026

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